The multiplier means that an increase in investment results in aggregate expenditure that is the increase in investment.

Increase in; greater than

Explanation:

Investment multiplier refers to the more than proportionate increase in income or aggregate expenditure due to an increase in investment.  

The larger the value of the multiplier, the greater will be the increase in aggregate expenditure.  

The value of multiplier depends on the marginal propensity to save and marginal propensity to consume.  

We can express the value of multiplier as

=

a

b

b

a

c

b

d

d

none of these are correct, as they are all sources of american law

a